Himalaya: Geological Aspects, Volume 4P. S. Saklani Satish Serial Publishing House, 2005 - Geology Contributed articles. |
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Page 82
... plagioclase , rare quartz and biotite are set into the granular matrix formed by fine- to medium - grained biotite , plagioclase and interstitial quartz ( Figs . 3a , c , d ) . Plagioclase phenocrysts show multiple twinning , resorption ...
... plagioclase , rare quartz and biotite are set into the granular matrix formed by fine- to medium - grained biotite , plagioclase and interstitial quartz ( Figs . 3a , c , d ) . Plagioclase phenocrysts show multiple twinning , resorption ...
Page 83
... plagioclase ( PI ) . Quartz ( Qtz ) occupies the interstices ( Cross Nicols ) , Scale : Bar equals 1 mm . ( b ) Idiomorphic plagioclase enclosing the stubby and acicular apatite ( Ap ) in ME ( Cross Nicols ) , Scale : Bar equals 0.5 mm ...
... plagioclase ( PI ) . Quartz ( Qtz ) occupies the interstices ( Cross Nicols ) , Scale : Bar equals 1 mm . ( b ) Idiomorphic plagioclase enclosing the stubby and acicular apatite ( Ap ) in ME ( Cross Nicols ) , Scale : Bar equals 0.5 mm ...
Page 84
... plagioclase and quartz ( Fig . 3a ) . The large biotite crystals in ME exhibit poikilitic relationship with plagioclase , similar to that observed in CG . Apatite as euhedral ( prismatic and tabular ) and rod - shaped ( elongated ) ...
... plagioclase and quartz ( Fig . 3a ) . The large biotite crystals in ME exhibit poikilitic relationship with plagioclase , similar to that observed in CG . Apatite as euhedral ( prismatic and tabular ) and rod - shaped ( elongated ) ...
Contents
Evidence | 1 |
Retrospect and Prospect | 9 |
Tectonomagmatic Evolutionary Model of the KuluRampur | 47 |
Copyright | |
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Alaknanda Almora antiforms Bandal basalts basin belt Bhagirathi biotite black shale Budhakedar Burg Champawat collision continental Cretaceous crust crustal Crystalline deformation Delhi deposits drainage earthquake eastern enclaves Eocene fault felsic Figure folds Gansser Garhwal Garhwal Himalaya Geol Glacial glacier gneisses granite granitoids Group Himalaya Himalayan Geology India Indian plate Indus Suture zone Jour Karakoram Kargil Katarigali formation Kohistan Kuhle Kumar Kumaun Ladakh landslides Lesser Himalaya limestone lineaments lithological Lower mafic magma Main Central Thrust margin melting metamorphic migmatites Miocene moraines Namche Barwa Nappe ND ND ND NW-SE ophiolite order streams Pakistan phyllite plagioclase Proterozoic quartz quartzite region river rocks Saklani samples schist sedimentary sediments seismic sequence Siang districts sillimanite Singh Siwalik Siyom slide slope southern Tibet structural studies subduction synforms syntaxis tectonic Tethys thick trace elements trend Tsangpo upper Uttarkashi Valdiya valley volcanic Yinkiong